<?xml version="1.0" encoding="UTF-8"?>  <sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://ql.hatenablog.com/sitemap_common.xml</loc><lastmod>2026-11-06T17:27:28+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2026&amp;month=8</loc><lastmod>2026-08-23T15:54:25+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2026&amp;month=7</loc><lastmod>2026-08-23T14:34:45+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2025&amp;month=12</loc><lastmod>2026-10-25T11:27:13+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2025&amp;month=11</loc><lastmod>2026-11-06T16:48:32+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2025&amp;month=10</loc><lastmod>2026-11-06T16:57:53+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2025&amp;month=3</loc><lastmod>2026-11-06T17:27:27+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2025&amp;month=2</loc><lastmod>2026-10-19T13:22:24+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2025&amp;month=1</loc><lastmod>2026-11-06T16:55:07+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2024&amp;month=12</loc><lastmod>2026-10-27T13:21:45+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2024&amp;month=11</loc><lastmod>2026-11-06T16:23:46+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2024&amp;month=10</loc><lastmod>2026-11-06T16:15:25+09:00</lastmod></sitemap><sitemap><loc>https://ql.hatenablog.com/sitemap_periodical.xml?year=2024&amp;month=9</loc><lastmod>2026-11-04T17:44:37+09:00</lastmod></sitemap></sitemapindex>