:root{--bg:#FAF6F7;--surface:#FFFFFF;--surface-2:#F2EAEE;--ink:#2B1E25;--muted:#76646D;--line:#E6D9DF;--accent:#B5395C;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#1B1418;--surface:#261D22;--surface-2:#31262C;--ink:#F4EAEE;--muted:#B49FA9;--line:#3D3037;--accent:#E8809F;color-scheme:dark}}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Zen Kaku Gothic New","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:15px;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
.ph-head{max-width:760px;margin:0 auto;padding:calc(env(safe-area-inset-top,0px) + 16px) 20px 8px;display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.ph-logo{font-family:"Shippori Mincho B1","Hiragino Mincho ProN","Yu Mincho",serif;font-size:22px;font-weight:700;color:var(--ink);text-decoration:none;letter-spacing:.04em}
.ph-logo small{font-family:inherit;font-size:12px;color:var(--muted);font-weight:500;margin-left:6px;letter-spacing:0}
.ph-back{font-size:13px;white-space:nowrap}
.ph-main{max-width:760px;margin:0 auto;padding:0 20px 40px}
.ph-nav{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 18px}
.ph-nav a{font-size:12px;color:var(--muted);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:4px 12px;background:var(--surface)}
.ph-nav a[aria-current="page"]{color:var(--accent);border-color:var(--accent);font-weight:700}
.ph-body{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px 20px}
.ph-body h1{font-family:"Shippori Mincho B1","Hiragino Mincho ProN","Yu Mincho",serif;font-size:22px;margin:0 0 14px;line-height:1.4}
.ph-body h2{font-size:16px;margin:28px 0 8px;padding-left:10px;border-left:3px solid var(--accent);line-height:1.5}
.ph-body p,.ph-body li{font-size:14px}
.ph-body ol,.ph-body ul{padding-left:1.4em;margin:6px 0}
.ph-body li{margin:4px 0}
.ph-body table{width:100%;border-collapse:collapse;font-size:14px;margin:8px 0}
.ph-body th,.ph-body td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;vertical-align:top}
.ph-body th{width:32%;color:var(--muted);font-weight:500}
.ph-note{background:var(--surface-2);border-radius:12px;padding:12px 14px;font-size:13px}
.ph-date{text-align:right;color:var(--muted);font-size:12px;margin-top:28px}
.ph-date+.ph-date{margin-top:4px}
.ph-foot{text-align:center;color:var(--muted);font-size:12px;padding:0 20px calc(env(safe-area-inset-bottom,0px) + 24px)}
@media (max-width:480px){.ph-body th{width:38%}}