@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700&display=swap');
:root{font-family:'DM Sans','Noto Sans JP',sans-serif;color:#243e40;background:#f4f5f2;font-size:13px;font-synthesis:none;--teal:#13665e;--line:#e1e7e2;--muted:#7b8986;--orange:#da7853;--nav:#133b3b}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select{outline-offset:3px}button{cursor:pointer}button{border:1px solid var(--line);background:white;border-radius:7px;padding:9px 13px;color:inherit;transition:.15s}button:hover{border-color:#71a69a;background:#f3f8f4}button:focus-visible,a:focus-visible{outline:2px solid var(--teal)}button.primary{background:var(--teal);border-color:var(--teal);color:white}button.primary:hover{background:#0c5049}.topbar{height:68px;display:flex;align-items:center;justify-content:space-between;background:white;border-bottom:1px solid var(--line);padding:0 28px;gap:20px}.brand{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:700;letter-spacing:1.1px}.mark{width:33px;height:33px;background:var(--nav);color:#d0e9d8;border-radius:8px;display:grid;place-items:center;font-size:23px}.brand small{font-size:10px;letter-spacing:2px;font-weight:500;display:block;color:#84938e;margin-top:2px}.topright{display:flex;align-items:center;gap:20px}.private{font-size:11px;color:#758982}.avatar{background:#e7eee7;border-radius:50%;width:31px;height:31px;display:grid;place-items:center;color:#527265;font-weight:600}.layout{display:grid;grid-template-columns:212px minmax(0,1fr);min-height:calc(100vh - 68px)}.sidebar{background:var(--nav);color:#b7ccca;padding:30px 16px;display:flex;flex-direction:column;gap:8px}.workspace{font-size:10px;letter-spacing:1.8px;margin:0 13px 22px;color:#7eaaa5}.navbtn{border:0;background:transparent;color:#adc4c0;text-align:left;display:flex;align-items:center;gap:13px;padding:13px 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8px;border-radius:4px;font-size:10px;letter-spacing:.5px;background:#e6ede5;color:#637c65}.subbar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);margin-bottom:20px;gap:12px}.tabs{display:flex;gap:25px}.tabs button{background:none;border:0;border-radius:0;padding:0 0 13px;color:#84918b;font-size:12px}.tabs button.active{color:var(--teal);border-bottom:2px solid var(--teal);font-weight:600}.revision{font-size:10px;color:#8d9a93;padding-bottom:12px}.workgrid{display:grid;grid-template-columns:324px minmax(320px,1fr);gap:18px;align-items:start}.panel{background:white;border:1px solid var(--line);border-radius:11px;overflow:hidden}.panel-title{padding:18px 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #edf0ea;font-weight:600;font-size:13px}.panel-title small{font-weight:400;color:#8b9791;font-size:10px}.body{padding:18px 20px}.section-label{display:flex;gap:8px;align-items:center;margin:3px 0 14px;font-size:11px;font-weight:600}.step-num{color:#90a296;font-size:10px;letter-spacing:1px}.row{display:flex;align-items:center;gap:8px}.field{display:block;margin-bottom:13px;min-width:0}.field>span{display:block;font-size:11px;color:#687c71;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;background:#fbfcfa;border:1px solid #dce4db;border-radius:6px;padding:9px 10px;color:#2c4941;min-width:0}.field input:focus,.field select:focus{border-color:#5b9e8d;outline:none;box-shadow:0 0 0 2px #e2eee8}.field .unitbox{position:relative}.unitbox input{padding-right:38px}.unitbox small{position:absolute;right:11px;top:10px;color:#9ba79d;font-size:10px;pointer-events:none}.twocol{display:grid;grid-template-columns:1fr 1fr;gap:12px}.threecol{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.sep{height:1px;background:#edf1e9;margin:18px 0}.shape-picks{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-bottom:18px}.shape-pick{padding:9px 3px 8px;font-size:10px;color:#819087;border-radius:6px}.shape-pick svg{width:58px;height:36px;display:block;margin:0 auto 5px}.shape-pick.active{background:#eff5ef;border-color:#68a38c;color:var(--teal)}.segmented{display:flex;background:#f1f4ef;padding:3px;border-radius:7px;gap:3px;margin-bottom:16px}.segmented button{flex:1;border:0;background:transparent;padding:7px 4px;font-size:11px;color:#89988d}.segmented button.active{background:white;box-shadow:0 1px 3px #16362a15;color:var(--teal);font-weight:600}.help{font-size:10px;color:#89978b;line-height:1.8}.note{background:#f5f7f1;color:#738066;border:1px solid #e8edde;padding:11px 13px;border-radius:6px;font-size:10px;line-height:1.8}.warning{background:#fcf4e9;color:#99723c;border-color:#efe3cb}.danger{background:#fff0ec;color:#b05d45;border-color:#f2d3c8}.preview{position:relative;background:#fbfcf9}.preview-toolbar{position:absolute;top:15px;left:18px;right:18px;display:flex;justify-content:space-between;z-index:1;pointer-events:none}.preview-toolbar>*{pointer-events:auto}.mini-tabs{padding:3px;background:white;border:1px solid var(--line);border-radius:6px;display:flex;gap:2px}.mini-tabs button{border:0;padding:5px 10px;font-size:10px;background:transparent;color:#859284}.mini-tabs button.active{background:#eaf1e8;color:#386b56}.preview canvas{display:block}.model{width:100%;height:380px;display:block;background-image:radial-gradient(#bacabc65 .7px,transparent .7px);background-size:17px 17px}.model text{font-family:'DM Sans','Noto Sans JP',sans-serif}.legend{display:flex;gap:20px;align-items:center;padding:12px 20px;border-top:1px solid #edf0e9;font-size:10px;color:#819083;background:#fcfdfb}.legend i{width:13px;height:3px;display:inline-block;vertical-align:middle;margin-right:6px}.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}.metric{background:white;border:1px solid var(--line);border-radius:9px;padding:15px 17px;min-width:0}.metric-label{font-size:10px;color:#859184;margin-bottom:10px}.metric-number{font-size:27px;color:#274b3f;font-weight:500;letter-spacing:-.7px}.metric-number small{font-size:11px;font-weight:400;color:#8f9d8c;letter-spacing:0;margin-left:6px}.metric-sub{font-size:10px;color:#94a08c;margin-top:7px}.results{margin-top:17px}.result-line{display:grid;grid-template-columns:100px 1fr 64px 65px;align-items:center;gap:12px;padding:13px 20px;border-bottom:1px solid #edf0e9;font-size:11px}.track{height:5px;background:#edf1e9;border-radius:8px;overflow:hidden}.track>i{display:block;height:100%;background:#8db394;border-radius:8px}.track.red>i{background:#cc7d61}.badge{font-size:9px;border-radius:4px;padding:4px 6px;text-align:center;white-space:nowrap;background:#edf4e9;color:#6f8b61}.badge.pending{background:#f5f0e4;color:#a08853}.badge.red{background:#fbe9e3;color:#af674d}.footer-note{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#8b9789;margin-top:18px;gap:15px}.full{margin-top:18px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:11px}th{text-align:left;color:#88958c;font-weight:400;font-size:10px;background:#fafbf8;white-space:nowrap}td,th{padding:11px 14px;border-bottom:1px solid #ecf0e8;white-space:nowrap}td input,td select{border:1px solid #e1e7db;background:#fbfcf9;border-radius:4px;padding:5px 7px;color:#4a6355;max-width:125px;width:100%}td input[type=number]{width:82px}td select.wide{max-width:none;width:170px}.small-btn{font-size:10px;padding:5px 8px}.delete{color:#ae806b;border:0;background:none}.table-actions{padding:12px 16px;display:flex;gap:8px}.selectline{font-size:11px;color:#67806c;display:flex;gap:8px;align-items:center}.selectline input{accent-color:var(--teal)}.large-body{padding:22px}.detailgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat{padding:10px;background:#f6f8f2;border-radius:5px;font-size:11px}.stat small{display:block;color:#90a08b;font-size:9px;margin-bottom:5px}.section-svg{width:100%;height:160px;border:1px dashed #d8e2d3;border-radius:6px;background:#fafcf7}.textlink{color:#557c61;text-decoration:underline;text-underline-offset:3px}.method{line-height:1.9;color:#6b7e69;font-size:11px}.method h3{font-size:13px;font-weight:600;color:#365540;margin:22px 0 8px}.method ul{padding-left:20px}.method a{color:var(--teal)}.empty{padding:24px;text-align:center;color:#8b9885}.modal-back{position:fixed;inset:0;background:#153b3b70;z-index:10;display:grid;place-items:center;padding:20px}.modal{max-width:820px;max-height:88vh;overflow:auto;background:white;border-radius:12px;box-shadow:0 18px 80px #0002}.modal .panel-title{position:sticky;top:0;background:white}.report-head{display:none}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(30px);background:#173e36;color:white;border-radius:8px;padding:12px 22px;font-size:12px;z-index:20;opacity:0;pointer-events:none;transition:.2s}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.engine-error{padding:18px;margin-bottom:18px}.section-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}.section-tabs button{font-size:11px}.section-tabs .active{background:#eaf2e7;border-color:#89ac83;color:#366b47}.only-print{display:none}input[type=checkbox]{width:14px;height:14px}button svg{vertical-align:middle}.counter{font-size:10px;color:#94a489;margin-left:auto}.slim{margin-bottom:0}.muted{color:#90a08b}.wide-panel{min-width:0}.material-hint{font-size:10px;color:#97835e;margin-top:-3px;margin-bottom:12px;line-height:1.8}
@media(min-width:1450px){.main{padding:30px 40px}.workgrid{grid-template-columns:345px minmax(400px,1fr)}.model{height:420px}.sidebar{padding-top:33px}.summary{gap:16px}}
@media(max-width:1120px){.layout{grid-template-columns:170px 1fr}.main{padding:24px 20px}.workgrid{grid-template-columns:285px minmax(280px,1fr)}.sidebar{padding-left:9px;padding-right:9px}.topbar{padding:0 22px}.pagehead h1{font-size:21px}.actions button{padding:8px 10px}.result-line{grid-template-columns:80px 1fr 45px 62px;gap:8px;padding-left:15px;padding-right:15px}.metric{padding:12px}.metric-number{font-size:23px}.body{padding:16px}.tabs{gap:17px}}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:none}.main{padding:20px}.workgrid{grid-template-columns:290px minmax(0,1fr)}.topbar{height:62px}.topright .private{display:none}.pagehead{flex-wrap:wrap}.model{height:365px}.summary{grid-template-columns:1fr}.metric{display:flex;align-items:center;gap:12px}.metric-label,.metric-sub{margin:0}.metric-number{margin-left:auto}.metric-sub{display:none}.detailgrid{grid-template-columns:1fr}}
@media(max-width:660px){.main{padding:18px 13px}.topbar{padding:0 15px}.brand{font-size:14px}.workgrid{grid-template-columns:1fr}.pagehead h1{font-size:21px}.pagehead p{font-size:11px}.tabs{gap:17px;overflow:auto;white-space:nowrap;width:100%}.tabs button{font-size:11px}.revision{display:none}.subbar{overflow:hidden}.breadcrumb{font-size:10px}.actions{width:100%}.actions button{flex:1}.summary{grid-template-columns:repeat(3,1fr);gap:8px}.metric{display:block;padding:12px 10px}.metric-label{font-size:9px}.metric-number{font-size:21px;margin-top:8px}.metric-number small{font-size:9px;margin-left:3px}.model{height:340px}.footer-note{display:block;line-height:1.8}.topright{gap:8px}.result-line{font-size:10px}.full{margin-top:15px}.large-body{padding:16px}}
@media print{body{background:white;font-size:10px}.topbar,.sidebar,.breadcrumb,.pagehead,.subbar,.actions,.preview-toolbar,.footer-note,.table-actions,.no-print,#toast{display:none!important}.layout{display:block}.main{padding:0;max-width:none}.workgrid,.detailgrid{display:block}.panel{border:1px solid #bbb;margin-bottom:12px;border-radius:0;break-inside:avoid}.report-head,.only-print{display:block}.report-head{padding:10px 0 18px}.summary{display:grid;grid-template-columns:repeat(3,1fr)}.model{height:280px}.metric{display:block}.metric-number{font-size:22px}input,select,textarea{border:0!important;background:white!important}button{display:none}.report-head h1{font-size:22px}a{color:#333}.full{margin-top:12px}.modal-back{display:none}.result-line{break-inside:avoid}table{font-size:9px}td,th{padding:7px}.print-condition{line-height:1.8;font-size:10px}}

@media print{.full{break-inside:auto}.full tr{break-inside:avoid}.full thead{display:table-header-group}.table-wrap{overflow:visible}.print-condition{overflow-wrap:anywhere}.method{font-size:10px}}

.product-card{border:1px solid #d7e4dc;background:#f4f8f3;border-radius:8px;padding:15px;margin:0 0 17px}.product-brand{font-size:11px;font-weight:700;color:#2f6657;display:flex;gap:10px;justify-content:space-between;flex-wrap:wrap}.product-brand span{font-size:9px;font-weight:400;color:#829687}.product-card h3{font-size:19px;font-weight:600;margin:12px 0 7px;color:#234e41}.product-card p{font-size:10px;line-height:1.8;color:#728574;margin:9px 0}.product-card a{display:inline-block;color:#236f5b;font-size:10px;margin:0 12px 0 0;text-underline-offset:3px}

.capacity-values{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}.capacity-values span{display:block;color:#6a7b70;font-size:12px}.capacity-values strong{display:block;font-size:30px;font-weight:500;color:#285d47}.capacity-values small{font-size:14px}.note ul{padding-left:18px;margin:8px 0}.note li+li{margin-top:6px}

.tier-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:16px;padding:0 18px 18px}.tier-card{border:1px solid #dce8e1;background:#fcfdfb;border-radius:8px;padding:15px;min-width:0}.tier-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.tier-title strong{font-size:14px;color:#2c695b}.tier-title i{display:inline-block;width:8px;height:8px;background:#73a994;border-radius:50%;margin-right:8px}.tier-title span{font-size:11px;color:#81958a}.tier-card td,.tier-card th{padding:8px 5px}.tier-card td input[type=number]{width:78px}.rack-preview{min-width:0}@media(min-width:901px){.rack-preview{position:sticky;top:16px}}@media(max-width:660px){.tier-grid{grid-template-columns:1fr;padding:0 12px 12px}.rack-grid{display:flex;flex-direction:column}.rack-grid>div{width:100%}.tier-card{padding:12px}.tier-card .table-actions{padding:12px 0}}

.weight-tier-grid{grid-template-columns:1fr}.pipe-config{margin-top:12px;border:1px solid #dae6df;border-radius:7px;background:white;padding:14px}.pipe-heading{display:flex;gap:12px;align-items:center;margin-bottom:14px;flex-wrap:wrap}.pipe-heading strong{color:#387b68}.pipe-heading span{font-size:11px;color:#74897b;flex:1}.pipe-settings{border-top:1px solid #e7ece5;padding-top:14px}.tier-load{background:#eef5ef;padding:12px;border-radius:6px;color:#386552}.tier-load strong{font-size:18px;margin-left:12px}.tier-load small{display:block;font-size:10px;margin-top:7px;color:#819184}.weight-tier-grid .tier-card{padding:18px}@media(min-width:1200px){.pipe-settings{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}.pipe-settings .note,.pipe-settings .help{grid-column:1/-1}.pipe-settings .field{margin-bottom:4px}}

.bolt-plan{width:100%;max-height:330px;display:block;background:#fbfcf8;border:1px solid #e0e8dd;border-radius:8px}.bolt-design-grid{align-items:start}.bolt-preview{min-width:0}.bolt-result-head{display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap}.bolt-detail{padding:14px 18px;font-size:11px}.bolt-detail summary{cursor:pointer;color:#37745e;margin-bottom:12px}.bolt-design-grid .selectline{margin:14px 0;line-height:1.7;align-items:start}.bolt-design-grid .selectline input{flex:none;margin-top:3px}.bolt-report{font-size:11px;line-height:1.8}.bolt-report .bolt-plan{max-width:420px}.shape-picks.two{grid-template-columns:repeat(2,1fr)}@media print{.bolt-detail{display:block}.bolt-detail>div,.bolt-detail>p{display:block!important}.bolt-report .panel{break-inside:auto}.bolt-report .bolt-plan{max-height:220px}}

.bolt-end-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:8px;margin:12px 0 16px}.bolt-end-card{text-align:left;padding:12px;line-height:1.8}.bolt-end-card.selected{border-color:#5a9c82;background:#edf5ef}.bolt-end-card strong,.bolt-end-card span,.bolt-end-card small{display:block}.bolt-end-card strong{color:#276452}.bolt-end-card span{font-size:11px}.bolt-end-card small{font-size:10px;color:#728678}

/* Keep the input target visible across the entire editing page. */
.guided-workspace{display:grid;grid-template-columns:minmax(0,1fr) 370px;gap:20px;align-items:start}.guided-content{grid-column:1;grid-row:1;min-width:0}.input-guide{grid-column:2;grid-row:1;position:sticky;top:12px;background:#fff;border:1px solid #b8cfc2;border-radius:10px;overflow:hidden;z-index:4;box-shadow:0 5px 18px #23473c12}.guide-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 14px;border-bottom:1px solid #e0e9e1;font-size:12px}.guide-context{padding:10px 14px;background:#fff8ed;min-height:57px}.guide-context span{display:block;color:#a66634;font-size:10px;margin-bottom:4px}.guide-context strong{font-size:12px;line-height:1.7;color:#7a421d}.guide-visuals .model{height:260px}.guide-hint{font-size:11px;line-height:1.7;padding:10px 14px;margin:0;border-top:1px solid #e2e9df;color:#637867}.guide-detail{padding:8px;border-top:1px solid #e2e9df}.guide-detail .bolt-plan,.guide-detail .section-svg{height:190px}.guide-error{background:#fff0e8;padding:9px 14px;font-size:11px;color:#a7502e}.input-guide.collapsed .guide-visuals,.input-guide.collapsed .guide-hint{display:none}.guided-content .workgrid,.guided-content .detailgrid{grid-template-columns:minmax(0,1fr)}.guided-content .rack-preview{position:static}.guided-content .field:focus-within>span{color:#a54c20;font-weight:700}.guided-content input:focus,.guided-content select:focus,.guided-content textarea:focus{outline:2px solid #d97b43;outline-offset:2px}.guided-content .field:focus-within{background:#fff8ed;border-radius:6px}.guided-content .pipe-settings{display:block}.guided-content .tier-grid{grid-template-columns:minmax(0,1fr)}.guide-heading button{white-space:nowrap}.input-guide .empty{font-size:11px;padding:20px}
@media(min-width:1600px){.guided-workspace{grid-template-columns:minmax(0,1fr) 440px}.guide-visuals .model{height:300px}.guided-content .pipe-settings{display:grid}}
@media(max-width:1199px){.guided-workspace{display:block}.input-guide{top:0;margin-bottom:16px;border-radius:8px}.guide-heading{padding:6px 12px}.guide-context{min-height:0;padding:5px 12px;display:flex;align-items:baseline;gap:8px}.guide-context span{flex:none;margin:0}.guide-context strong{font-size:11px}.guide-visuals .model{height:168px}.guide-visuals.with-detail{display:grid;grid-template-columns:1fr 1fr}.guide-detail{padding:3px;border-top:0;border-left:1px solid #e2e9df}.guide-detail .bolt-plan,.guide-detail .section-svg{height:168px}.guide-hint{font-size:10px;padding:5px 12px;line-height:1.5}.guided-content input,.guided-content select,.guided-content textarea{scroll-margin-top:310px;scroll-margin-bottom:40px}}
@media(max-width:660px){.guide-visuals .model{height:146px}.guide-detail .bolt-plan,.guide-detail .section-svg{height:146px}.guide-context strong{font-size:10px}.guide-hint{font-size:10px}.guide-heading{font-size:11px}.guide-visuals.with-detail .model{height:146px}}
@media(max-height:600px){.guide-visuals .model,.guide-detail .bolt-plan,.guide-detail .section-svg{height:100px}.guide-hint{display:none}.guide-context{padding-top:3px;padding-bottom:3px}}
@media print{.input-guide{display:none!important}.guided-workspace{display:block}.guided-content{display:block}}

@media(max-width:1199px) and (min-height:601px){.guide-visuals .model{height:190px}.guide-visuals.with-detail .model,.guide-detail .bolt-plan,.guide-detail .section-svg{height:168px}}

.pipe-main-fields{border-top:1px solid #e3ece4;padding-top:14px}.pipe-main-fields .section-label{font-size:12px;color:#376655}.fluid-reference{background:#f7f8f2;padding:9px 11px;border-radius:6px;font-size:10px;line-height:1.8;color:#7a8067;margin-bottom:12px}.fluid-reference strong{color:#637053}.fluid-reference a{color:#347562}.pipe-mass-summary{background:#edf5ef;border-radius:6px;padding:10px 12px;line-height:1.8;font-size:11px;color:#3f6f59}.pipe-detail-toggle{margin:12px 0}.pipe-config .pipe-settings{margin-top:4px}

.gas-condition{background:#f5f8f5;border:1px solid #dce7de;border-radius:8px;padding:14px;margin:12px 0}.gas-density-result{display:flex;flex-direction:column;gap:5px;padding:12px 0;color:#24574a}.gas-density-result>strong{font-size:23px;font-variant-numeric:tabular-nums}.gas-density-result small{font-size:11px;font-weight:400}

.saturation-temperature{display:block;padding:11px 12px;border:1px solid #c8dbce;border-radius:5px;background:#eaf3ec;color:#24574a;font-size:16px;font-weight:600;font-variant-numeric:tabular-nums}